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Finding the Fourth Proportional to 58,745.68, 81,090.60 and 42,911.44

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Solution

The fourth proportional to 58,745.68, 81,090.60 and 42,911.44 is: 59,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.68 : 81,090.60 = 42,911.44 : x
  2. Step 2: Convert to fraction form
    58,745.68/81,090.60 = 42,911.44/x
  3. Step 3: Cross multiply
    58,745.68x = 81,090.60 × 42,911.44
  4. Step 4: Simplify right side
    58,745.68x = 3,479,714,416.46
  5. Step 5: Solve for x
    x = 3,479,714,416.46/58,745.68
  6. Step 6: Final answer
    x = 59,233.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.